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- inFeature = parameters[0].valueAsText
- slectedCounty = parameters[1].valueAsText
- counties = []
- def unique_values(table , field):
- with arcpy.da.SearchCursor(table, [field], '"NAME_1" = ''+slectedCounty+''') as cursor:
- return sorted({row[0] for row in cursor})
- uniques = unique_values(inFeature, 'NAME_2')
- for unique in uniques:
- counties.append(unique)
- # Now Load the checkboxes
- param1.filter.list = counties
- def getParameterInfo(self):
- """Define parameter definitions"""
- param0 = arcpy.Parameter(displayName="Feature Class",name="in_fc", datatype="Shapefile", parameterType="Required", direction="Input")
- param1 = arcpy.Parameter(displayName="States",name="st",datatype="String", multiValue="False", parameterType="Required", direction="Input")
- param1.filter.list = ['Alabama','Alaska','American Samoa','Arizona','Arkansas','California','Colorado','Connecticut','Delaware','District of Columbia','Federated States of Micronesia','Florida','Georgia','Guam','Hawaii','Idaho','Illinois','Indiana','Iowa','Kansas','Kentucky','Louisiana','Maine','Marshall Islands','Maryland','Massachusetts','Michigan','Minnesota','Mississippi','Missouri','Montana','Nebraska','Nevada','New Hampshire','New Jersey','New Mexico','New York','North Carolina','North Dakota','Northern Mariana Islands','Ohio','Oklahoma','Oregon','Palau','Pennsylvania','Puerto Rico','Rhode Island','South Carolina','South Dakota','Tennessee','Texas','Utah','Vermont','Virgin Island','Virginia','Washington','West Virginia','Wisconsin','Wyoming']
- param2 = arcpy.Parameter(displayName="Counties",name="countyName",datatype="String", multiValue="true", parameterType="Required", direction="Input")
- params = [param0, param1, param2]
- return params
- def isLicensed(self):
- """Set whether tool is licensed to execute."""
- return True
- def updateParameters(self, parameters):
- """Modify the values and properties of parameters before internal
- validation is performed. This method is called whenever a parameter
- has been changed."""
- return
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